Features: Rechargeable with RGB colorful light effect. Interchangeable switches tester with fun catcalls and duck calls. Unique design featuring fun catcalls and duck calls with colorful RGB lighting effects. Replaceable axles body for game enthusiasts, programmers, office workers, keyboard enthusiasts, and other users with high requirements for keyboards. Suitable for gaming competitions, office work, programming development, and other occasions requiring frequent keyboard use. Specifications: Component: ABS Size: Approximately 2.5 x 5.50 cm (0.98 x 2.17 in) (Duck), 2.5 x 4 cm (0.98 x 1.57 in), 2.5 x 4.50 cm (0.98 x 1.77 in) (Wood Fish) RGB light: Yes Quantity: 1 piece Package Includes: 1 piece tester keychain Note: Due to lighting effects and shooting conditions, there may be slight variations in product appearance. Please allow for a 0–1 cm measurement error.